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KMID : 1041220000420020067
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Journal of Sericultural and Entomological Science
2000 Volume.42 No. 2 p.67 ~ p.72
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Fertility and Some Agronomic Characteristics of"Sawonppong 26"Autotetraploid Artificially derived from Keomseolppong(Morus spp)
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Abstract
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Autotetraploid "Sawonppong 26" was induced by dropping colchicine solution on growing point of Keomseotppong which is of high rootability and some agronomic charactelistics are at fnllows. Sawonppong 26 is a tetraploid of Keomseolppong with 56 of the chromosome number. Its fertlization percent was 59.4% and the germination percent of sank see was nomal. Sugar degree of mulberry fruit was 13.3% and total acidity was 0.69%. Single fruit weight of Sawonppong 26 was increased by 79%, as compared to that of Keolnseolppong. Even though percent of survival of hard wood cutting was 94%, number of rootings was less and diameter of root was slender, it is expectedlly a promising variety to be used for a breeding parent from the aspect of rootability.
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